How many tons is a Lennox CB29M-46-1P? SAVE CANCEL. already exists. Would you like to merge this question into it? MERGE CANCEL. already exists as an alternate of this question. Would you like to make it the primary and merge this question into it? MERGE CANCEL. exists and is an alternate. service or maintenance can cause personal injury, loss of life, or damage to property. Installation and service must be performed by a licensed professional installer (or equivalent) or a service agency. Shipping and Packing List Check parts for shipping damage; if any damage is found, immediately contact the last shipping carrier.. installation, maintenance, or repair will expose you to fiberglass wool. Breathing this may cause lung cancer. (Fiberglass wool is known to the State of CB29M-51, -65 LB-74272 17.875 4.6718 CB31M-41 LB-74272 17.875 4.6718 CB31M-51, -65 LB-89864 19.875 Documents Similar To cb29m install. 2010-2_service_la_artcool-gallery_system.